Fix facade resolving

Author: ivan770

composer.json

@@ -22,7 +22,7 @@
     "extra": {
         "laravel": {
             "aliases": {
-                "HttpClient": "Ivan770\\HttpClient\\HttpClient"
+                "HttpClient": "Ivan770\\HttpClient\\Facade"
             },
             "providers": [
                 "Ivan770\\HttpClient\\ServiceProvider"

src/Facade.php

@@ -8,6 +8,6 @@ class Facade extends Base
 {
     protected static function getFacadeAccessor()
     {
-        return 'HttpClient';
+        return HttpClient::class;
     }
 }